<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Title</title>
</head>
<body>
    <h2 style="color: red">系统出错了!!!</h2>
</body>
</html>